Created
January 24, 2019 13:01
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| import { useEffect, useState } from 'react' | |
| export const useClientRect = ref => { | |
| const getClientRect = () => { | |
| if (!ref || !ref.current) return null | |
| const clientRects = ref.current.getClientRects() | |
| return clientRects.length > 0 ? clientRects[0] : null | |
| } | |
| const [state, setState] = useState(getClientRect()) | |
| const updateState = () => setState(getClientRect()) | |
| useEffect(() => { | |
| updateState() | |
| window.addEventListener('resize', updateState) | |
| return () => window.removeEventListener('resize', updateState) | |
| }, [ref.current]) | |
| return state | |
| } |
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